title: Saliva seen as possible DNA source for genetic testing.
mesh_terms: D001327:Autoimmune Diseases / Q000235:genetics; D003141:Communicable Diseases / Q000235:genetics; D004247:DNA / Q000032:analysis*; D020022:Genetic Predisposition to Disease; D005821:Genetic Techniques; D006801:Humans; D012307:Risk Factors; D012463:Saliva / Q000737:chemistry*
chemical_list: D004247:DNA